Finding the Fourth Proportional to 8,430,503.84, 12,645,788.96 and 2,040,745.92
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Solution
The fourth proportional to 8,430,503.84, 12,645,788.96 and 2,040,745.92 is: 3,061,126.92
Step by Step Solution
- Step 1: Write the proportion equation
8,430,503.84 : 12,645,788.96 = 2,040,745.92 : x - Step 2: Convert to fraction form
8,430,503.84/12,645,788.96 = 2,040,745.92/x - Step 3: Cross multiply
8,430,503.84x = 12,645,788.96 × 2,040,745.92 - Step 4: Simplify right side
8,430,503.84x = 25,806,842,225,301.04 - Step 5: Solve for x
x = 25,806,842,225,301.04/8,430,503.84 - Step 6: Final answer
x = 3,061,126.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.